Base | Representation |
---|---|
bin | 110111110000… |
… | …0010100101100 |
3 | 2001000001112200 |
4 | 1233200110230 |
5 | 24440333010 |
6 | 2522301500 |
7 | 503311524 |
oct | 157402454 |
9 | 61001480 |
10 | 29230380 |
11 | 15555243 |
12 | 9957890 |
13 | 60958aa |
14 | 3c4c684 |
15 | 2875cc0 |
hex | 1be052c |
29230380 has 36 divisors (see below), whose sum is σ = 88666032. Its totient is φ = 7794720.
The previous prime is 29230337. The next prime is 29230393. The reversal of 29230380 is 8303292.
It is a tau number, because it is divible by the number of its divisors (36).
It is a super-2 number, since 2×292303802 = 1708830229888800, which contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 81016 + ... + 81375.
Almost surely, 229230380 is an apocalyptic number.
29230380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
29230380 is an abundant number, since it is smaller than the sum of its proper divisors (59435652).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
29230380 is a wasteful number, since it uses less digits than its factorization.
29230380 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 162406 (or 162401 counting only the distinct ones).
The product of its (nonzero) digits is 2592, while the sum is 27.
The square root of 29230380 is about 5406.5127392803. The cubic root of 29230380 is about 308.0431012937.
The spelling of 29230380 in words is "twenty-nine million, two hundred thirty thousand, three hundred eighty".
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